<!DOCTYPE html>
<html lang="en" xmlns="http://www.w3.org/1999/html" xmlns="http://www.w3.org/1999/html"
      xmlns="http://www.w3.org/1999/html" xmlns="http://www.w3.org/1999/html" xmlns="http://www.w3.org/1999/html"
      xmlns="http://www.w3.org/1999/html">
<head>
    <meta charset="UTF-8">
    <title>注册页面</title>
</head>
<body>
<form action="/requestDemo4" method="post">
    <input type="text" name="username" placeholder="请输入用户名: "/></br>
    <input type="password" name="password" placeholder="请输入密码: " /></br>
    <input type="checkbox" name="hobby" value="game">game</br>
    <input type="checkbox" name="hobby" value="study">study</br>
    <input type="submit" value="注册"></input>
</form>
</body>
</html>